搜索结果: 1-15 共查到“食品生物化学 determination”相关记录33条 . 查询时间(2.75 秒)
Determination of trans-resveratrol action on two different types of neuronal cells,neuroblastoma and hippocampal cells
cancer oxidative stress polyphenol stillbenoid
2016/5/11
The effects of resveratrol on a cancer cell line derived from the nervous system, neuroblastoma and a cell line derived from hippocampal neurons under hydrogen peroxide-induced oxidative stress were e...
A novel sorbent for solid-phase extraction coupling to high performance liquid chromatography for the determination of olaquindox in fish feed
HPCL molecular imprinting SPE olaquindox
2014/10/11
A new and hydrophilic molecularly imprinted polymer (MIP) selective for olaquindox was prepared by bulk polymerisation using methacrylic acid as the functional monomer and ethylene glycol dimethacryla...
Determination of mercury species in foodstuffs using LC-ICP-MS: the applicability and limitations of the method
mercury speciation liquid chromatography inductively coupled plasma-mass spectrometry
2014/7/10
Reversed-phase liquid chromatography hyphenated with inductively coupled plasma mass spectrometry (LC-ICP-MS) was used for mercury speciation analysis in food samples. A short chromatographic column (...
Determination of volatiles in beer using solid-phase microextraction in combination with gas chromatography/mass spektrometry
GC headspace technique solid phase microextraction volatile compounds
2014/7/10
Headspace solid phase microextraction and purge and trap analysis were used for the determination of volatiles in beer. These methods were compared with the analysis of unconcentrated gas phase and li...
Determination of acrylamide in food using adsorption stripping voltammetry
food contaminant electroanalysis sample preparation
2014/2/24
A new electroanalytical method for the determination of acrylamide in food has been developed. It was found that a complex of acrylamide and Ni2+ is suitable for the electrochemical determination of a...
Novel approaches to determination of PAHs and halogenated POPs in canned fish
PAHs POPs canned fish GC-TOF MS
2014/2/25
A simple method is described for simultaneous isolation of 7 indicator polychlorinated biphenyls (PCBs), 10 polybrominated diphenyl ethers (PBDEs), 22 organochlorine pesticides (OCPs), and 16 polycycl...
Simultaneous determination of chloride, bromide and iodide in foodstuffs by low pressure ion-exchange chromatography with visible light detection
LPIEC spectrophotometry halide
2014/2/25
An ion-exchange chromatography method with visible light detection was developed for the simultaneous determination of chloride, bromide, and iodide in foodstuffs. They were separated by means of low ...
Determination of Saponin Content in Turkish Tahini Halvah by Using HPLC
HPLC saponin soapwort Tahini Halvah
2010/9/30
The total saponin content, components and fatty acid composition of 14 different Tahini Halvah
samples were investigated. Total saponin was determined by HPLC. The quantities of moisture, oil, protei...
Determination of Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) in Milk and Fresh Cheese Based on the Inhibition of Cyclooxygenase
food analysis COX inhibition biosensor
2009/8/10
A biosensor for rapid determination of nonsteroidal anti-inflammatory drugs (NSAIDs) is described based on the inhibition of cyclooxygenase enzyme (both isoforms) by NSAIDs. The results show the full ...
Determination of Ethanol in Sake Mash by a Chloride Ion-Selective Electrode
ethanol transfer activity coefficient quaternary ammonium salts sake mash
2009/7/7
A chloride ion-selective solvent polymeric membrane electrode (Cl-ISE) using quaternary ammonium salts for determination of the ethanol concentration during sake fermentation is described. The ethanol...
Determination of Vitamin U in Food Plants
vitamin U (S-methylmethionine) food plants methionine
2009/6/17
Vitamin U levels were determined on 26 kinds of food plants well known to be healthy vegetables in Asian or Western countries. Spinach showed the highest level of 45.2 mg/100 g DW followed by Pak-choi...
Application of Visible/Near-Infrared Transmittance Spectroscopy for the Improvement of Amylose Determination Accuracy
partial least squares (PLS) regression coefficients japonica
2009/6/17
The performance of partial least squares (PLS) calibration models developed using NIR and visible transmittance were examined in order to improve the accuracy of the calibration model for amylose cont...
Determination of Reductones, Furans and Organic Acids in Aqueous Model Matrices Using Solid-Phase Extraction and Gas Chromatography/Mass Spectrometry
reductone furan organic acid
2009/5/31
A method using solid-phase extraction (SPE) and GC-MS was developed for the determination of a series of polar and unstable flavor compounds: reductones, furans and volatile organic acids, in aqueous ...
Determination of the Viscoelastic Properties of Apple Flesh under Quasi-Static Compression Based on Finite Element Method Optimization
apple flesh compression stress relaxation FEM optimization
2009/5/8
A procedure for determining the viscoelastic properties of apple flesh has been proposed based on compression tests and FEM optimization. Short-term simple compression tests and long-term relaxation t...
Near Infrared Spectroscopy for Determination of the Protein Composition of Rice Flour
Near infrared reflectance spectroscopy Rice flour Protein composition
2009/5/8
Protein content and protein composition are considered very important factors in influencing the cooking and processing characteristics of rice. In the present study, the possibility of using near inf...